494545831 has 8 divisors (see below), whose sum is σ = 532785344. Its totient is φ = 456334560.

The previous prime is 494545823. The next prime is 494545837. The reversal of 494545831 is 138545494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 494545831 - 2³ = 494545823 is a prime.

It is a super-2 number, since 2×494545831² = 489151157918961122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494545837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41965 + ... + 52441.

It is an arithmetic number, because the mean of its divisors is an integer number (66598168).

Almost surely, 2^494545831 is an apocalyptic number.

494545831 is a deficient number, since it is larger than the sum of its proper divisors (38239513).

494545831 is a wasteful number, since it uses less digits than its factorization.

494545831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14121.

The product of its digits is 345600, while the sum is 43.

The square root of 494545831 is about 22238.3864297750. The cubic root of 494545831 is about 790.8039836227.

The spelling of 494545831 in words is "four hundred ninety-four million, five hundred forty-five thousand, eight hundred thirty-one".